# CVE-2024-9680: Mozilla Firefox Use-After-Free Vulnerability

Source: https://junglewise.ai/threats/cve-2024-9680-mozilla-firefox-use-after-free-vulnerability  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2024-10-15. Updated: 2026-05-09  
License: CC BY 4.0 with a link back

CVE-2024-9680 · Severity: critical · CVSS 9.8 · Exploited in the wild · Published 2024-10-15

A use-after-free vulnerability in Animation timelines within Mozilla Firefox and Thunderbird allows a remote attacker to achieve arbitrary code execution in the content process. This vulnerability has been reported as being exploited in the wild.

Technologies: [Mozilla Firefox](https://junglewise.ai/threats/technologies/firefox), [Mozilla Firefox ESR](https://junglewise.ai/threats/technologies/firefox-esr), [Mozilla Thunderbird](https://junglewise.ai/threats/technologies/thunderbird). Vendors: [Mozilla](https://junglewise.ai/threats/vendors/mozilla).

## Quick answers

**Is CVE-2024-9680 exploited in the wild?** Yes. CVE-2024-9680 is known to be exploited in the wild, first recorded on 15 October 2024. Treat it as urgent.

**How severe is CVE-2024-9680?** Critical severity, with a CVSS score of 9.8, published 15 October 2024.

**Which products and versions are affected?** Mozilla Firefox < 131.0.2; Mozilla Firefox ESR < 128.3.1; Mozilla Firefox ESR < 115.16.1; Mozilla Thunderbird < 131.0.1; and 2 more.

**Is there a fix for CVE-2024-9680?** No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**How is CVE-2024-9680 attacked?** It is attacked over the network, in a network appliance.

**Am I affected by CVE-2024-9680?** Check whether you run Mozilla Firefox, Mozilla Firefox ESR or Mozilla Thunderbird. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Affected products

- Mozilla Firefox < 131.0.2
- Mozilla Firefox ESR < 128.3.1
- Mozilla Firefox ESR < 115.16.1
- Mozilla Thunderbird < 131.0.1
- Mozilla Thunderbird < 128.3.1
- Mozilla Thunderbird < 115.16.0

## Timeline

- 2024-10-15: disclosed
- 2024-10-15: kev added: Added to CISA Known Exploited Vulnerabilities Catalog
- 2024-10-15: advisory: Mozilla published security advisories MFSA2024-51 and MFSA2024-52

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